{"id":"https://openalex.org/W2794470592","doi":"https://doi.org/10.22489/cinc.2017.085-076","title":"Second Heart Sound Onset to Identify T-Wave Offset","display_name":"Second Heart Sound Onset to Identify T-Wave Offset","publication_year":2017,"publication_date":"2017-09-14","ids":{"openalex":"https://openalex.org/W2794470592","doi":"https://doi.org/10.22489/cinc.2017.085-076","mag":"2794470592"},"language":"en","primary_location":{"is_oa":true,"landing_page_url":"https://doi.org/10.22489/cinc.2017.085-076","pdf_url":null,"source":{"id":"https://openalex.org/S4220650825","display_name":"Computing in cardiology","issn_l":"2325-887X","issn":["2325-887X","2325-8861"],"is_oa":false,"is_in_doaj":false,"is_indexed_in_scopus":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true},"type":"article","type_crossref":"proceedings-article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://doi.org/10.22489/cinc.2017.085-076","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5068731989","display_name":"Agnese Sbrollini","orcid":"https://orcid.org/0000-0002-9152-7216"},"institutions":[{"id":"https://openalex.org/I122534668","display_name":"Marche Polytechnic University","ror":"https://ror.org/00x69rs40","country_code":"IT","type":"funder","lineage":["https://openalex.org/I122534668"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Agnese Sbrollini","raw_affiliation_strings":["Universit\u00e0 Politecnica delle Marche, Ancona, Italy"],"affiliations":[{"raw_affiliation_string":"Universit\u00e0 Politecnica delle Marche, Ancona, Italy","institution_ids":["https://openalex.org/I122534668"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075386317","display_name":"Marta Beghella Bartoli","orcid":null},"institutions":[{"id":"https://openalex.org/I122534668","display_name":"Marche Polytechnic University","ror":"https://ror.org/00x69rs40","country_code":"IT","type":"funder","lineage":["https://openalex.org/I122534668"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Marta Beghella Bartoli","raw_affiliation_strings":["Universit\u00e0 Politecnica delle Marche, Ancona, Italy"],"affiliations":[{"raw_affiliation_string":"Universit\u00e0 Politecnica delle Marche, Ancona, Italy","institution_ids":["https://openalex.org/I122534668"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112357137","display_name":"Angela Agostinelli","orcid":null},"institutions":[{"id":"https://openalex.org/I122534668","display_name":"Marche Polytechnic University","ror":"https://ror.org/00x69rs40","country_code":"IT","type":"funder","lineage":["https://openalex.org/I122534668"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Angela Agostinelli","raw_affiliation_strings":["Universit\u00e0 Politecnica delle Marche, Ancona, Italy"],"affiliations":[{"raw_affiliation_string":"Universit\u00e0 Politecnica delle Marche, Ancona, Italy","institution_ids":["https://openalex.org/I122534668"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017957196","display_name":"Micaela Morettini","orcid":"https://orcid.org/0000-0002-8327-8379"},"institutions":[{"id":"https://openalex.org/I122534668","display_name":"Marche Polytechnic University","ror":"https://ror.org/00x69rs40","country_code":"IT","type":"funder","lineage":["https://openalex.org/I122534668"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Micaela Morettini","raw_affiliation_strings":["Universit\u00e0 Politecnica delle Marche, Ancona, Italy"],"affiliations":[{"raw_affiliation_string":"Universit\u00e0 Politecnica delle Marche, Ancona, Italy","institution_ids":["https://openalex.org/I122534668"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039811734","display_name":"Francesco Di Nardo","orcid":"https://orcid.org/0000-0002-5362-3776"},"institutions":[{"id":"https://openalex.org/I122534668","display_name":"Marche Polytechnic University","ror":"https://ror.org/00x69rs40","country_code":"IT","type":"funder","lineage":["https://openalex.org/I122534668"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Francesco Di Nardo","raw_affiliation_strings":["Universit\u00e0 Politecnica delle Marche, Ancona, Italy"],"affiliations":[{"raw_affiliation_string":"Universit\u00e0 Politecnica delle Marche, Ancona, Italy","institution_ids":["https://openalex.org/I122534668"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064947412","display_name":"Sandro Fioretti","orcid":"https://orcid.org/0000-0002-7783-3065"},"institutions":[{"id":"https://openalex.org/I122534668","display_name":"Marche Polytechnic University","ror":"https://ror.org/00x69rs40","country_code":"IT","type":"funder","lineage":["https://openalex.org/I122534668"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Sandro Fioretti","raw_affiliation_strings":["Universit\u00e0 Politecnica delle Marche, Ancona, Italy"],"affiliations":[{"raw_affiliation_string":"Universit\u00e0 Politecnica delle Marche, Ancona, Italy","institution_ids":["https://openalex.org/I122534668"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5091455235","display_name":"Laura Burattini","orcid":"https://orcid.org/0000-0002-9474-7046"},"institutions":[{"id":"https://openalex.org/I122534668","display_name":"Marche Polytechnic University","ror":"https://ror.org/00x69rs40","country_code":"IT","type":"funder","lineage":["https://openalex.org/I122534668"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Laura Burattini","raw_affiliation_strings":["Universit\u00e0 Politecnica delle Marche, Ancona, Italy"],"affiliations":[{"raw_affiliation_string":"Universit\u00e0 Politecnica delle Marche, Ancona, Italy","institution_ids":["https://openalex.org/I122534668"]}]}],"institution_assertions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.65,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.66475,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":77,"max":79},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T12419","display_name":"Phonocardiography and Auscultation Techniques","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T12419","display_name":"Phonocardiography and Auscultation Techniques","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11021","display_name":"ECG Monitoring and Analysis","score":0.9959,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T13248","display_name":"Healthcare Technology and Patient Monitoring","score":0.9651,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[],"concepts":[{"id":"https://openalex.org/C175291020","wikidata":"https://www.wikidata.org/wiki/Q1156822","display_name":"Offset (computer science)","level":2,"score":0.65653634},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.54327506},{"id":"https://openalex.org/C203718221","wikidata":"https://www.wikidata.org/wiki/Q491713","display_name":"Sound (geography)","level":2,"score":0.52278703},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4731166},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.39991325},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2805498},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"is_oa":true,"landing_page_url":"https://doi.org/10.22489/cinc.2017.085-076","pdf_url":null,"source":{"id":"https://openalex.org/S4220650825","display_name":"Computing in cardiology","issn_l":"2325-887X","issn":["2325-887X","2325-8861"],"is_oa":false,"is_in_doaj":false,"is_indexed_in_scopus":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true}],"best_oa_location":{"is_oa":true,"landing_page_url":"https://doi.org/10.22489/cinc.2017.085-076","pdf_url":null,"source":{"id":"https://openalex.org/S4220650825","display_name":"Computing in cardiology","issn_l":"2325-887X","issn":["2325-887X","2325-8861"],"is_oa":false,"is_in_doaj":false,"is_indexed_in_scopus":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true},"sustainable_development_goals":[{"score":0.52,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"grants":[],"datasets":[],"versions":[],"referenced_works_count":13,"referenced_works":["https://openalex.org/W1971316603","https://openalex.org/W2000909451","https://openalex.org/W2017066266","https://openalex.org/W2043963613","https://openalex.org/W2162273778","https://openalex.org/W2162800060","https://openalex.org/W2346677180","https://openalex.org/W2399876330","https://openalex.org/W2440223909","https://openalex.org/W2474160242","https://openalex.org/W2488164446","https://openalex.org/W2557139718","https://openalex.org/W2594745624"],"related_works":["https://openalex.org/W2909726438","https://openalex.org/W2748952813","https://openalex.org/W2478288626","https://openalex.org/W2390279801","https://openalex.org/W2382290278","https://openalex.org/W2376932109","https://openalex.org/W2358668433","https://openalex.org/W2350741829","https://openalex.org/W2067046791","https://openalex.org/W2001405890"],"abstract_inverted_index":{"Phonocardiography":[0],"(PCG)":[1],"second":[2,49],"heart":[3,50],"sound":[4,51],"represents":[5,21],"aortic-pulmonary":[6],"valves":[7],"closure":[8],"and":[9,81,124,136,146,181],"beginning":[10],"of":[11,14,24,38,73,102,112,121,151,172],"isovolumetric":[12],"relaxation":[13],"the":[15,25,36,39,109,113,122,128,165,170],"ventricles.":[16,26],"Electrocardiography":[17],"(ECG)":[18],"T":[19],"wave":[20],"electrical":[22],"repolarization":[23],"Ventricular":[27],"electricalrepolarization":[28],"is":[29,162],"known":[30],"to":[31,43,66,85,108,127,157,176,191],"drive":[32],"ventricular":[33],"mechanical":[34],"relaxation.Thus,":[35],"aim":[37],"present":[40],"study":[41],"was":[42,98,117,138],"investigate":[44],"whether,":[45],"in":[46,55,142,164,184],"normal":[47,86,143,185],"conditions,":[48,144],"onset":[52],"(S2on)":[53],"matches":[54],"time":[56],"T-wave":[57],"offset":[58],"(Toff)":[59],"so":[60],"that":[61],"S2on":[62,135,145,187],"may":[63,188],"be":[64,158,189],"used":[65,190],"identify":[67],"Toff.To":[68],"this":[69],"aim,":[70],"99":[71],"couples":[72],"simultaneously":[74],"recorded":[75],"short":[76],"(around":[77],"30":[78],"s":[79],"PCG":[80,114],"ECG)":[82],"signals":[83],"relative":[84],"subjects":[87],"(selected":[88],"from":[89],"PhysioNet/CinC":[90],"Challenge":[91],"2016:":[92],"Training":[93],"Set":[94],"A)":[95],"were":[96],"analyzed.S2on":[97],"identified":[99,118],"by":[100,119],"application":[101,120],"our":[103],"newly":[104],"developed":[105],"threshold-based":[106],"algorithm":[107,126],"median":[110,129],"beat":[111],"envelope.Instead,":[115],"Toff":[116,137,147,166,178],"Laguna":[123],"Thakor":[125],"ECG":[130],"beat.Median":[131],"time-distance":[132],"(\u03b4t)":[133],"between":[134],"5":[139,152,160],"ms":[140,161],"(P=0.007).Thus,":[141],"differ":[148],"on":[149],"average":[150],"ms,":[153],"whose":[154],"meaning":[155],"remain":[156],"defined.Still,":[159],"included":[163],"identification":[167,179],"variability":[168],"(of":[169],"order":[171],"tens":[173],"ms)":[174],"due":[175],"different":[177],"methods":[180],"electrocardiographic":[182],"leads.Consequently,":[183],"condition,":[186],"estimate":[192],"Toff.":[193]},"abstract_inverted_index_v3":null,"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W2794470592","counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1}],"updated_date":"2025-04-19T06:37:44.322440","created_date":"2018-04-06"}